Undercut dimples for a golf ball

Details Undercut dimples for a golf ball Undercut dimples for a golf ball

2005-11-15

2005-11-15

Vidovich, Gregory (Department: 3711)

Games using tangible projectile

Golf

Ball

C473S351000

Reexamination Certificate

active

06964623

ABSTRACT:
A new configuration for at least some of the dimples on the surface of a golf ball is characterized by undercut portions in the concave surface thereof. The undercut dimples have a first diameter at the surface of the golf ball and a second diameter beneath the surface which is greater than the first diameter. Thus, a portion of the ball surface overhangs an annular portion of the dimple at the periphery thereof. The undercut portions create additional turbulence at the surface of the golf ball as it flies through the air to improve the aerodynamic efficiency of the dimples, thereby reducing drag and increasing the distance the ball will travel when struck.

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